[go: up one dir, main page]

SE8801848D0 - PRESSURE ANGLER - Google Patents

PRESSURE ANGLER

Info

Publication number
SE8801848D0
SE8801848D0 SE8801848A SE8801848A SE8801848D0 SE 8801848 D0 SE8801848 D0 SE 8801848D0 SE 8801848 A SE8801848 A SE 8801848A SE 8801848 A SE8801848 A SE 8801848A SE 8801848 D0 SE8801848 D0 SE 8801848D0
Authority
SE
Sweden
Prior art keywords
pressure
pressure sensor
pct
sensor housing
sensor means
Prior art date
Application number
SE8801848A
Other languages
Swedish (sv)
Other versions
SE461300B (en
SE8801848L (en
Inventor
S Jonsson
R Olsson
Original Assignee
Jonsson & Billquist Dev Ab
Hydrolab Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jonsson & Billquist Dev Ab, Hydrolab Ab filed Critical Jonsson & Billquist Dev Ab
Priority to SE8801848A priority Critical patent/SE461300B/en
Publication of SE8801848D0 publication Critical patent/SE8801848D0/en
Priority to US07/634,196 priority patent/US5249469A/en
Priority to EP89906212A priority patent/EP0417156B1/en
Priority to JP1505748A priority patent/JPH03504277A/en
Priority to PCT/SE1989/000270 priority patent/WO1989011640A1/en
Priority to DE89906212T priority patent/DE68909045D1/en
Publication of SE8801848L publication Critical patent/SE8801848L/en
Publication of SE461300B publication Critical patent/SE461300B/en
Priority to FI905690A priority patent/FI905690A0/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • G01L9/0075—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a ceramic diaphragm, e.g. alumina, fused quartz, glass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/14—Housings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

PCT No. PCT/SE89/00270 Sec. 371 Date Jan. 17, 1991 Sec. 102(e) Date Jan. 17, 1991 PCT Filed May 17, 1989 PCT Pub. No. WO89/11640 PCT Pub. Date Nov. 30, 1989.A pressure gauge is provided comprising a sensor housing (1) closed by a cover (7). The sensor housing (1) is connected to a tube (3) containing the pressure to be measured. The space defined by the sensor housing (1) and the cover (7) is hermetically divided by a sensor housing cover (9) in such a way that inside a front measurement volume (11) a pressure sensor means (15) is placed. This pressure sensor means has a substantially flat shape. It is connected to the interior walls of the front volume by means of tubes (23) which are slender or slim, that is have a small section in relation to the area of the pressure sensor means (15). The carrying means (23) are preferably realized as metal tubes and in their interior the electrical connections (31) for the pressure sensor means pass. By this construction the exterior surface of the whole of the pressure sensor means (15) will be subjected to the measuring pressure. Further an attachment to the pressure sensor housing is provided only allowing a slight convection of heat and in addition the measuring volume does not contain any chemically unstable materials. The electrical connections are also well protected against corrosion by the measurement medium and obtain an electrical shielding.
SE8801848A 1988-05-17 1988-05-17 TRYCKMAETARE SE461300B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE8801848A SE461300B (en) 1988-05-17 1988-05-17 TRYCKMAETARE
US07/634,196 US5249469A (en) 1988-05-17 1989-05-17 Pressure gauge
EP89906212A EP0417156B1 (en) 1988-05-17 1989-05-17 A pressure gauge
JP1505748A JPH03504277A (en) 1988-05-17 1989-05-17 pressure gauge
PCT/SE1989/000270 WO1989011640A1 (en) 1988-05-17 1989-05-17 A pressure gauge
DE89906212T DE68909045D1 (en) 1988-05-17 1989-05-17 Manometer.
FI905690A FI905690A0 (en) 1988-05-17 1990-11-16 TRYCKMAETARE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8801848A SE461300B (en) 1988-05-17 1988-05-17 TRYCKMAETARE

Publications (3)

Publication Number Publication Date
SE8801848D0 true SE8801848D0 (en) 1988-05-18
SE8801848L SE8801848L (en) 1989-11-18
SE461300B SE461300B (en) 1990-01-29

Family

ID=20372349

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8801848A SE461300B (en) 1988-05-17 1988-05-17 TRYCKMAETARE

Country Status (7)

Country Link
US (1) US5249469A (en)
EP (1) EP0417156B1 (en)
JP (1) JPH03504277A (en)
DE (1) DE68909045D1 (en)
FI (1) FI905690A0 (en)
SE (1) SE461300B (en)
WO (1) WO1989011640A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271277A (en) * 1991-12-23 1993-12-21 The Boc Group, Inc. Capacitance pressure transducer
US5902933A (en) * 1993-02-22 1999-05-11 Omron Corporation Pressure sensor and its application
DE69415982T2 (en) * 1994-10-07 1999-09-09 Omron Corp. Capacitive pressure converter with two chambers
US20040099061A1 (en) 1997-12-22 2004-05-27 Mks Instruments Pressure sensor for detecting small pressure differences and low pressures
US6612176B2 (en) * 2000-12-28 2003-09-02 Mks Instruments, Inc. Pressure transducer assembly with thermal shield
US6837112B2 (en) * 2003-03-22 2005-01-04 Stec Inc. Capacitance manometer having a relatively thick flush diaphragm under tension to provide low hysteresis
US6993973B2 (en) 2003-05-16 2006-02-07 Mks Instruments, Inc. Contaminant deposition control baffle for a capacitive pressure transducer
US7201057B2 (en) 2004-09-30 2007-04-10 Mks Instruments, Inc. High-temperature reduced size manometer
US7141447B2 (en) 2004-10-07 2006-11-28 Mks Instruments, Inc. Method of forming a seal between a housing and a diaphragm of a capacitance sensor
US7137301B2 (en) 2004-10-07 2006-11-21 Mks Instruments, Inc. Method and apparatus for forming a reference pressure within a chamber of a capacitance sensor
US7204150B2 (en) 2005-01-14 2007-04-17 Mks Instruments, Inc. Turbo sump for use with capacitive pressure sensor
JP4702311B2 (en) * 2007-03-19 2011-06-15 トヨタ自動車株式会社 Electrical unit with a capacitor
DE102017126121A1 (en) * 2017-11-08 2019-05-09 Tdk Electronics Ag Pressure sensor system with protection against freezing medium
KR20230035405A (en) * 2020-10-15 2023-03-13 가부시키가이샤 후지킨 Cover part for pressure sensor and pressure sensor device having the same

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714703A (en) * 1954-10-26 1955-08-02 Avieu Knickerbocker Inc Transducer
US3619742A (en) * 1970-05-21 1971-11-09 Rosemount Eng Co Ltd Shielded capacitance pressure sensor
US4168517A (en) * 1977-11-10 1979-09-18 Lee Shih Y Capacitive pressure transducer
JPS56141531A (en) * 1980-04-04 1981-11-05 Toshiba Corp Pressure transducer
US4358814A (en) * 1980-10-27 1982-11-09 Setra Systems, Inc. Capacitive pressure sensor
US4389895A (en) * 1981-07-27 1983-06-28 Rosemount Inc. Capacitance pressure sensor
JPS5826237A (en) * 1981-08-07 1983-02-16 Mitsubishi Electric Corp Pressure sensor
US4415948A (en) * 1981-10-13 1983-11-15 United Technologies Corporation Electrostatic bonded, silicon capacitive pressure transducer
US4422125A (en) * 1982-05-21 1983-12-20 The Bendix Corporation Pressure transducer with an invariable reference capacitor
DE3404262A1 (en) * 1983-03-09 1984-09-13 Fuji Electric Co., Ltd., Kawasaki CAPACITIVE PROBE
US4562742A (en) * 1984-08-07 1986-01-07 Bell Microcomponents, Inc. Capacitive pressure transducer
FI75426C (en) * 1984-10-11 1988-06-09 Vaisala Oy ABSOLUTTRYCKGIVARE.
US4586109A (en) * 1985-04-01 1986-04-29 Bourns Instruments, Inc. Batch-process silicon capacitive pressure sensor
SE459887B (en) * 1987-02-12 1989-08-14 Hydrolab Ab PRESSURE TRANSMITTER
FI78784C (en) * 1988-01-18 1989-09-11 Vaisala Oy TRYCKGIVARKONSTRUKTION OCH FOERFARANDE FOER FRAMSTAELLNING DAERAV.
US4823603A (en) * 1988-05-03 1989-04-25 Vacuum General, Inc. Capacitance manometer having stress relief for fixed electrode

Also Published As

Publication number Publication date
WO1989011640A1 (en) 1989-11-30
EP0417156B1 (en) 1993-09-08
JPH03504277A (en) 1991-09-19
EP0417156A1 (en) 1991-03-20
SE461300B (en) 1990-01-29
FI905690A0 (en) 1990-11-16
DE68909045D1 (en) 1993-10-14
US5249469A (en) 1993-10-05
SE8801848L (en) 1989-11-18

Similar Documents

Publication Publication Date Title
SE8801848D0 (en) PRESSURE ANGLER
ATE56269T1 (en) TEMPERATURE PROBE.
DE59200912D1 (en) DEVICE FOR ELECTRICALLY ISOLATED FASTENING OF A METAL PROBE ELECTRODE IN THE OPENING OF A HOUSING.
GB2030454B (en) Instruments for use in the measurement of gases in body fluids
IT1183700B (en) SENSOR COMPLEX FOR THE DETECTION OF TOXIC GAS
DE3066194D1 (en) Disposable polarographic gas sensor
GB2336292A (en) Liquid heating vessels
JPS57211050A (en) Electronic measuring device to sensor encased into measuring instrument
DE3060309D1 (en) Double walled container protected against ignition and corrosion and method of making same
IT8021939A0 (en) ALMOST NON-DESTRUCTIVE MEASUREMENT OF RESIDUAL STRESS.
FR2566114B1 (en) PROBE APPARATUS WITH TRANSDUCERS FOR MEASURING THE INTERNAL DIMENSIONS OF AN ENVELOPE, PARTICULARLY A TUBE
JPS5687820A (en) Sonde for measuring volume filling degree
JPH065657Y2 (en) Pocket measuring instrument for measuring ionizing radiation
GB2278682A (en) Assessment of characteristics of fluids
GB2097928B (en) Instrument for measuring internal dimensions
US3572120A (en) Liquid level gauge
JP2000097930A (en) Water quality measuring apparatus
AU6200680A (en) Housing for measuring instruments
IT1137560B (en) WELDING CHAMBER THROUGH ELECTRONIC BEAM FOR ASSEMBLING THE HEAD OF ELONGATED PIECES
US3938387A (en) Precision temperature transducer for measuring the surface temperature of the human and animal skin
IT8248946A0 (en) SOLID STATE OXYGEN SENSOR
IT8026548A0 (en) FLUSH-MOUNT HOUSING SPECIALLY FOR AN ELECTRICAL MEASURING INSTRUMENT.
ATA88690A (en) SECOND IONIZATION CHAMBER FOR MEASURING PHOTON RADIATION
GB2003381A (en) Egg boiler
IT1128543B (en) AGRICULTURAL TRACTOR WITH AN INSTRUMENT HOUSING

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8801848-6

Format of ref document f/p: F

NUG Patent has lapsed